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Filename : ChangeLogController.php
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<?php
/**
 * Simple script to set correct charset for changelog
 */

declare(strict_types=1);

namespace PhpMyAdmin\Controllers;

use PhpMyAdmin\Core;

use function __;
use function array_keys;
use function basename;
use function file_get_contents;
use function htmlspecialchars;
use function is_readable;
use function ob_get_clean;
use function ob_start;
use function preg_replace;
use function printf;
use function readgzfile;
use function substr;

class ChangeLogController extends AbstractController
{
    public function __invoke(): void
    {
        $this->response->disable();
        $this->response->getHeader()->sendHttpHeaders();

        $filename = CHANGELOG_FILE;

        /**
         * Read changelog.
         */
        // Check if the file is available, some distributions remove these.
        if (! @is_readable($filename)) {
            printf(
                __(
                    'The %s file is not available on this system, please visit %s for more information.'
                ),
                basename($filename),
                '<a href="' . Core::linkURL('https://www.phpmyadmin.net/')
                . '" rel="noopener noreferrer" target="_blank">phpmyadmin.net</a>'
            );

            return;
        }

        // Test if the if is in a compressed format
        if (substr($filename, -3) === '.gz') {
            ob_start();
            readgzfile($filename);
            $changelog = ob_get_clean();
        } else {
            $changelog = file_get_contents($filename);
        }

        /**
         * Whole changelog in variable.
         */
        $changelog = htmlspecialchars((string) $changelog);

        $github_url = 'https://github.com/phpmyadmin/phpmyadmin/';
        $faq_url = 'https://docs.phpmyadmin.net/en/latest/faq.html';

        $replaces = [
            '@(https?://[./a-zA-Z0-9.-_-]*[/a-zA-Z0-9_])@' => '<a href="url.php?url=\\1">\\1</a>',

            // mail address
            '/([0-9]{4}-[0-9]{2}-[0-9]{2}) (.+[^ ]) +&lt;(.*@.*)&gt;/i' => '\\1 <a href="mailto:\\3">\\2</a>',

            // FAQ entries
            '/FAQ ([0-9]+)\.([0-9a-z]+)/i' => '<a href="url.php?url=' . $faq_url . '#faq\\1-\\2">FAQ \\1.\\2</a>',

            // GitHub issues
            '/issue\s*#?([0-9]{4,5}) /i' => '<a href="url.php?url=' . $github_url . 'issues/\\1">issue #\\1</a> ',

            // CVE/CAN entries
            '/((CAN|CVE)-[0-9]+-[0-9]+)/' => '<a href="url.php?url='
                . 'https://www.cve.org/CVERecord?id=\\1">\\1</a>',

            // PMASAentries
            '/(PMASA-[0-9]+-[0-9]+)/' => '<a href="url.php?url=https://www.phpmyadmin.net/security/\\1/">\\1</a>',

            // Highlight releases (with links)
            '/([0-9]+)\.([0-9]+)\.([0-9]+)\.0 (\([0-9-]+\))/' => '<a id="\\1_\\2_\\3"></a>'
                . '<a href="url.php?url=' . $github_url . 'commits/RELEASE_\\1_\\2_\\3">'
                . '\\1.\\2.\\3.0 \\4</a>',
            '/([0-9]+)\.([0-9]+)\.([0-9]+)\.([1-9][0-9]*) (\([0-9-]+\))/' => '<a id="\\1_\\2_\\3_\\4"></a>'
                . '<a href="url.php?url=' . $github_url . 'commits/RELEASE_\\1_\\2_\\3_\\4">'
                . '\\1.\\2.\\3.\\4 \\5</a>',

            // Highlight releases (not linkable)
            '/(    ### )(.*)/' => '\\1<b>\\2</b>',

            // Links target and rel
            '/a href="/' => 'a target="_blank" rel="noopener noreferrer" href="',

        ];

        $this->response->header('Content-type: text/html; charset=utf-8');

        echo $this->template->render('changelog', [
            'changelog' => preg_replace(array_keys($replaces), $replaces, $changelog),
        ]);
    }
}